Definition of "belligerence"

A closer look at North Korean history reveals what Pyongyang’s leaders really want their near-farcical belligerence to achieve — a reminder to the world that North Korea exists, and an impression abroad that its leaders are irrational and unpredictable.

2013 April 9, Andrei Lankov, “Stay Cool. Call North Korea’s Bluff.”, in New York Times‎